andrew smith asked ... 2009 fiesta 1388 cc titainum?    |    Eric asked ... Strimmer fuel line?    |    Frank asked ... Working fine. No cold air?    |    c.m.brown asked ... Replace chuck on aeg power drill sb2e 700r?    |    tom dimmock asked ... How can i mend the lid on russell hobbs elec?    |    Click here to ask your question

engin revs go up and down when running its a db50qt-a?

my db50qt-a scooter engin keeps reving up and down when running the carb is new not sure what to do ?
dave, October 2018
link Click here to see other fixes for Znen DB50QT-A.